Inequalities between the Kolmogorov and the Bernstein diameters in a Hilbert space
Tài liệu tham khảo
V. M. Tikhomirov, Certain Questions of the Theory of Approximation [in Russian], Moscow State Univ. (1976).
L. Danszer, B. Grünbaum, and V. Klee, The Helly Theorem [Russian translation], Mir, Moscow (1968).
B. S. Mityagin and G. M. Khenkin, “Inequalities between n-diameters,” in: Proceedings of the Seminar on Functional Analysis [in Russian], Vol. 7, Voronezh (1963), pp. 97–103.
V. M. Tikhomirov, “Certain questions of the theory of approximation,” Dokl. Akad. Nauk SSSR,160, No. 4, 774–777 (1965).
S. B. Stechkin, “On the best approximation of given classes by arbitrary polynomials,” Usp. Mat. Nauk,9, No. 1, 133–134 (1954).
M. I. Stesin, “On the Aleksandrov diameters of finite-dimensional octahedra,” Vestn. Mosk. Gos. Univ., Ser. Mat., Mekh., No. 3, 30–35 (1973).